Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 111
GAS ENGINE IGNITION 2,765 Ques. In low tension ignition, what is necessary inorder to produce a good spark? Ans. The break or separation of the contact points of theigniter should take place with extreme rapidity, that is, thespring H (fig. 3,971) should be sufficiently strong to cause theshoulder…
Electrical engineering
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